17221

Tryptone Yeast extract Agar

suitable for microbiology, NutriSelect^® Plus

• UNSPSC Code: 41171605
• NACRES: NA.85

Properties

• sterility: non-sterile
• Quality Level: 200
• form: powder
• shelf life: limited shelf life, expiry date on the label
• composition: agar, 12 g/L ; casein enzymic hydrolysate, 6 g/L ; yeast extract powder, 3 g/L
• manufacturer/tradename: NutriSelect^® Plus
• technique(s): microbiological culture: suitable
• final pH: 7.2±0.2 (25 °C)
• application(s): environmental; food and beverages; water monitoring; microbiology
• suitability: nonselective for Enterobacter spp.; nonselective for Escherichia coli; nonselective for Salmonella spp.; nonselective for bacteria (General Media); nonselective for coliforms

Description

Application

Recommended by ISO Committee for estimation of microbial counts in water under the specification ISO 6222:1999.

Preparation Note

Suspend 21 g in 1 litre distilled water. Heat to boiling to dissolve the medium completely. Sterilize by autoclaving at 121°C for 15 minutes.

Footnote

We offer two media types: the superior granulated GranuCult^® and the cost-efficient powdered NutriSelect^® culture media, depending on your needs.
The designations basic, plus, or prime are added to indicate the quality control level, from basic quality control to standard QC plus to prime for full regulatory compliance.

Legal Information

GRANUCULT is a registered trademark of Merck KGaA, Darmstadt, Germany

NutriSelect is a registered trademark of Merck KGaA, Darmstadt, Germany

Safety Information

• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 1
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves